Umaro, Raging Yeti 

Legendary Creature — Yeti Berserker
Trample At the beginning of combat on your turn, choose one at random — • Other creatures you control get +3/+0 and gain trample until end of turn. • Discard your hand, then draw four cards. • Umaro deals 5 damage to any target.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL